Initial commit

content/inc/Cache/CacheInstructions.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace dokuwiki\Cache;
+
+/**
+ * Caching of parser instructions
+ */
+class CacheInstructions extends \dokuwiki\Cache\CacheParser
+{
+
+    /**
+     * @param string $id page id
+     * @param string $file source file for cache
+     */
+    public function __construct($id, $file)
+    {
+        parent::__construct($id, $file, 'i');
+    }
+
+    /**
+     * retrieve the cached data
+     *
+     * @param   bool $clean true to clean line endings, false to leave line endings alone
+     * @return  array          cache contents
+     */
+    public function retrieveCache($clean = true)
+    {
+        $contents = io_readFile($this->cache, false);
+        return !empty($contents) ? unserialize($contents) : array();
+    }
+
+    /**
+     * cache $instructions
+     *
+     * @param   array $instructions the instruction to be cached
+     * @return  bool                  true on success, false otherwise
+     */
+    public function storeCache($instructions)
+    {
+        if ($this->_nocache) {
+            return false;
+        }
+
+        return io_saveFile($this->cache, serialize($instructions));
+    }
+}